Research Papers

What is a Simple System?*

[+] Author and Article Information
Gian Paolo Beretta

Universitá di Brescia,
Brescia, Italy

Elias P. Gyftopoulos

Massachusetts Institute of Technology,
Cambridge, MA 02139

*Proceedings of the Winter Annual Meeting of the American Society of Mechanical Engineering, Atlanta, GA, December 1–6, 1991, in Thermodynamics and Energy Systems–Fundamentals, Education and Computer Aided Analysis, edited by G. M. Reistad, R. A. Gaggjoli, A. Bejan, and G. Tsatsaronis, ASME book H00699, AES-Vol. 24, pp. 1–7 (1991). Reprinted will permission.

J. Energy Resour. Technol 137(2), 021007 (Mar 01, 2015) (6 pages) Paper No: 07-BerettaGyftopoulos-AS; doi: 10.1115/1.4026383 History: Online November 18, 2014

We discuss relations among properties of systems that consist of any amounts of constituents (including one particle), that have volume as the only parameter, and that are in thermodynamic equilibrium or stable equilibrium states. For large amounts of constituents, we introduce the concept of a simple system, and derive additional relations among properties.

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